Rebooting bit band
445 haste
111 mastery
+logic loop of synergy
413 crit
143 haste
with if you heal a target whose health is below 50% then you heals 10k
(with plans to farm the one that says if you use 3 different abilities
or
Band of the Roving Scalawag
222 crit
333 mastery
overseers lost seal
379 vers
185 mastery
96 avoidance
20 corruption
you critical hits have a chance to increase your critical strike by 41 for 30 sec, stacking up to 5 times.
anyway mechagon rings would take 12 cast to equal the haste loss of the first set. but the first set as about a 1k-2k raw healing increase